JPS60259981A - 電子腕時計 - Google Patents
電子腕時計Info
- Publication number
- JPS60259981A JPS60259981A JP11993885A JP11993885A JPS60259981A JP S60259981 A JPS60259981 A JP S60259981A JP 11993885 A JP11993885 A JP 11993885A JP 11993885 A JP11993885 A JP 11993885A JP S60259981 A JPS60259981 A JP S60259981A
- Authority
- JP
- Japan
- Prior art keywords
- load
- pulse
- drive
- circuit
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007493 shaping process Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 25
- 238000001514 detection method Methods 0.000 abstract description 22
- 230000010355 oscillation Effects 0.000 abstract description 4
- 230000006698 induction Effects 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 17
- 238000012937 correction Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Control Of Stepping Motors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11993885A JPS60259981A (ja) | 1985-06-03 | 1985-06-03 | 電子腕時計 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11993885A JPS60259981A (ja) | 1985-06-03 | 1985-06-03 | 電子腕時計 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12014676A Division JPS5345575A (en) | 1976-10-06 | 1976-10-06 | Electronic wristwatch |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14629385A Division JPS6128888A (ja) | 1985-07-03 | 1985-07-03 | 電子腕時計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60259981A true JPS60259981A (ja) | 1985-12-23 |
| JPS6327668B2 JPS6327668B2 (en:Method) | 1988-06-03 |
Family
ID=14773879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11993885A Granted JPS60259981A (ja) | 1985-06-03 | 1985-06-03 | 電子腕時計 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60259981A (en:Method) |
-
1985
- 1985-06-03 JP JP11993885A patent/JPS60259981A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6327668B2 (en:Method) | 1988-06-03 |
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